General
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Target
citizen.exe
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Size
231KB
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Sample
241222-x23ggawnbv
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MD5
8fcef0c1c33c1f00b585f79e484a63fa
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SHA1
57eaedd0de6fc7b965a6b132cf23380076e63336
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SHA256
dc2a8b1f1aec321b087018c6177a9a6478d3ee10b04ef0ed525e3b33206ea3fc
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SHA512
ab422374c0f26ce2834b3738d7c4611f214ebb7090f98b7aa92bc1a7a273ead93186013268b5c15878f0df9c075c870ff9648001efc3f9ec03951d83df820fb0
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD42i6kgGhZqLfiQBFUAjb8e1mAi:joZtL+EP82i6kgGhZqLfiQBFU+e
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1320454676080103465/W6LdShCFhm1tqQOZ7F78sDgYM-wcYax6bTcou8_CxzWljm8rXr7REB-KdFUQR_9zggA7
Targets
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Target
citizen.exe
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Size
231KB
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MD5
8fcef0c1c33c1f00b585f79e484a63fa
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SHA1
57eaedd0de6fc7b965a6b132cf23380076e63336
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SHA256
dc2a8b1f1aec321b087018c6177a9a6478d3ee10b04ef0ed525e3b33206ea3fc
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SHA512
ab422374c0f26ce2834b3738d7c4611f214ebb7090f98b7aa92bc1a7a273ead93186013268b5c15878f0df9c075c870ff9648001efc3f9ec03951d83df820fb0
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD42i6kgGhZqLfiQBFUAjb8e1mAi:joZtL+EP82i6kgGhZqLfiQBFU+e
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Detect Umbral payload
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Umbral family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1